A small bird, likely a variant name for a tit (small passerine bird) that was petted or indulged (fancied as a pet).
Combines 'dawt' (related to dote or caress) with 'tit' (a type of bird). Folk etymologies often named animals based on human behavior toward them.
People named birds after how they acted around them—a 'dawtit' was probably a favorite caged bird that people coddled, showing how language reflects our emotional attachments to pets.
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